CN205991029U - Adjustable blower fan system - Google Patents
Adjustable blower fan system Download PDFInfo
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- CN205991029U CN205991029U CN201621009889.0U CN201621009889U CN205991029U CN 205991029 U CN205991029 U CN 205991029U CN 201621009889 U CN201621009889 U CN 201621009889U CN 205991029 U CN205991029 U CN 205991029U
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- blower fan
- fan
- blower
- magnet ring
- power apparatus
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Abstract
A kind of scalable blower fan system for being radiated to power apparatus, this system includes blower fan, and this blower fan includes Blower Housing, the fan shaft being contained in Blower Housing and the fan blade being arranged on fan shaft, and also includes：Magnet ring, this magnet ring is arranged on fan shaft；And velocity coilses, this velocity coils and magnet ring are arranged face to face.Blower fan system also includes：Aerator supervision device, aerator supervision device is connected with blower fan；And controller, controller is connected with blower fan and aerator supervision device respectively, receives the signal from aerator supervision device, and adjusts the operation of blower fan.The operation of this blower fan system can monitor, and can be adjusted according to the workload of power apparatus.
Description
Technical field
This utility model is related to a kind of adjustable blower fan of rotating speed, and this blower fan is used for power device being carried out dissipate hot and cold
But.
Background technology
The power apparatus of such as high power discharge load, high power switch, regulator cubicle etc can produce in running
Substantial amounts of heat.In order to ensure the normal operation of these equipment, need they are radiated, blower fan is usually used and comes to heating
Power apparatus cooled down and radiated.Therefore, the normal operation of blower fan is most important for power apparatus.If there is event in blower fan
Hinder, then its radiating effect will reduce, even power apparatus cannot be radiated, and equipment thus can be led to damage because of high temperature exothermic
Bad, serious meeting causes security incident.
Additionally, at present commonly use heat transmission blower fan in, the power of blower fan is constant, therefore fan operation when turn
Speed is also constant.So, even if the caloric value in power apparatus becomes hour, blower fan still keeps higher rotating speed.This can cause
Waste to the energy.
Accordingly, it would be desirable to a kind of new blower fan, it can adjust its velocity of rotation according to the running status of power apparatus, and
And the running status of this blower fan also can be monitored, whether normal with the operation that judges blower fan.
Content of the invention
This utility model is made for solving technical problem present in above-described prior art.This practicality is new
One purpose of type is to provide a kind of blower fan system, can monitor the fan operation state in this blower fan system, is found with timely
Exception in fan operation.Of the present utility model further objective is that the operation enabling the operation of blower fan according to power apparatus
State is adjusting.
Adjustable blower fan system of the present utility model is used for power apparatus are radiated, and includes blower fan, this blower fan
The fan shaft including Blower Housing, being contained in Blower Housing and the fan blade being arranged on fan shaft, also include：Magnetic
Ring, this magnet ring is arranged on fan shaft；And velocity coilses, this velocity coils and magnet ring are arranged face to face；Further,
This blower fan system also includes：Aerator supervision device, aerator supervision device is connected with blower fan；And controller, controller is respectively
It is connected with blower fan and aerator supervision device, receive the signal from aerator supervision device, and adjust the operation of blower fan.
By the blower fan system of said structure, when fan operation, magnet ring rotates so that velocity coilses are cut with fan shaft
Cut the magnetic line of force, thus DC voltage can be produced in velocity coilses, by detecting this DC voltage, can obtain having Blowing stopper to transport
The information of scanning frequency degree, thus the exception being occurred during fan operation can be monitored.For example, if the brownout in velocity coilses or be
When zero, then show that blower fan breaks down, its speed of service declines even out of service.As such, it is possible to be taken by controller
Measure, for example, stop the operation of power apparatus, and reports to the police, and notifies plant maintenance personnel to carry out Measuring error, thus can carry
The safety in operation of high-power equipment.
Further, blower fan system may also include power apparatus detection means, and this power apparatus detection means is set with power
For being connected, to detect the workload of power apparatus, and it is connected with controller, by with regard to detected workload
Signal sends controller to.
By this power apparatus detection means, the running status of power apparatus can be obtained, thus controller can be based on being somebody's turn to do
Running status to adjust the rotating speed of blower fan, for example, is passed through to adjust the supply voltage of blower fan.
In one kind preferably structure, blower fan also includes coil brace, and velocity coilses are arranged on coil brace, and coil
Support is fixed on Blower Housing.Thus, velocity coilses are installed on Blower Housing by coil brace.
It is preferred that velocity coilses include two wire taps, when magnet ring rotates with fan shaft, the two of velocity coilses
Form above-described DC voltage between individual wire tap, this DC voltage is detected by aerator supervision device, and will be with regard to straight
The signal of stream voltage sends controller to.
It is preferred that magnet ring and/or velocity coilses are coaxially disposed with fan shaft.So, can be preferably by velocity coilses
The DC voltage of middle generation is mapped with the rotating speed of blower fan.
In another embodiment, Blower Housing latter half of on be formed with groove in the face of fan shaft, test the speed
Coil is arranged in a groove, and is provided with magnetic on the fan shaft other end contrary with the one end being mounted with fan blade
Ring.
Thus, magnet ring and velocity coilses can be integrated on blower fan, and, magnet ring and velocity coilses can removably be pacified
It is contained on blower fan it is allowed to user to decide whether to install magnet ring and velocity coilses according to actual needs.
It is preferred that fan shaft extends backward, to stretch in groove.So, magnet ring can be made to be positioned as close to the line that tests the speed
Circle, thus improve Measurement reliability.
The progress control method of blower fan system of the present utility model includes：
In fan operation, detected the direct current being formed between two wire taps of velocity coilses by aerator supervision device
Voltage, and the signal about DC voltage is sent to controller；
If according to signal, controller judges that blower fan is out of service or rotating speed reduces, stop the operation of power apparatus.
Another kind of blower fan system progress control method includes：
Detected the operating load of power apparatus by power apparatus detection means, and the signal about operating load is sent to
Controller；
Controller adjusts the rotating speed of blower fan according to signal.
Wherein specifically, controller is the rotating speed adjusting blower fan by adjusting the supply voltage of blower fan.
Brief description
In the accompanying drawings：
Fig. 1 shows the front view of the blower fan of the blower fan system of first embodiment of the present utility model, does not wherein pacify
Dress velocity coilses and its support；
Fig. 2 shows for installation into the velocity coilses on blower fan shown in Fig. 1 and its support.
Fig. 3 shows that velocity coilses and its support are installed to the front view of the state on blower fan.
Fig. 4 shows the schematic diagram of the structure of the blower fan system of first embodiment of the present utility model, illustrated therein is wind
Annexation between each ingredient of machine system.
Fig. 5 shows the partial sectional view of the blower fan in the blower fan system of second embodiment of the present utility model.
Specific embodiment
Below with reference to accompanying drawings specific embodiment of the present utility model is described in detail.It is to be appreciated that in accompanying drawing
Shown is only preferred embodiment of the present utility model, does not constitute the restriction to scope of the present utility model.This area
Technical staff on the basis of preferred embodiment shown in the drawings, this utility model can be carried out various obvious modifications,
Modification, equivalence replacement, and under the premise of not conflicting, the technical characteristic in different embodiments discussed below is permissible
Combination in any, and these all fall within protection domain of the present utility model.
<First embodiment>
Fig. 1 shows the schematic diagram of the blower fan 10 of blower fan system.This blower fan 10 includes Blower Housing 11, is contained in Fan casing
Fan shaft 12 in body 11 and the fan blade 13 being arranged on fan shaft 12.Additionally, this blower fan 10 also includes existing wind
Other conventional components included by machine, such as rotor, coil, bearing etc..Additionally, in this utility model, blower fan 10 also includes
Magnet ring 14, this magnet ring 14 is arranged on fan shaft 12, can rotate together with described fan shaft 12, and preferably with described wind
Machine rotating shaft 12 is coaxial.
Further, in blower fan system of the present utility model, the as shown in Figure 2 line that tests the speed is also equipped with blower fan 10
Circle 21, this velocity coils 21 is configured to coaxial with fan shaft 12, and stretches out two wire taps in this velocity coils 21
211、212.In structure as shown in Figure 2, this velocity coils 21 is arranged on coil brace 22, and then this coil brace 22 is solid
Determine on Blower Housing 11, so that velocity coilses 21 and fan shaft 12 is installed on blower fan 10, and facing with magnet ring 14.
Preferably, velocity coilses 21 are also coaxial with fan shaft 12.Fig. 3 shows that velocity coilses 21 and coil brace 22 are arranged on blower fan
The schematic diagram of the state on housing 11.
Velocity coilses 21 can be installed on blower fan 10 with alternate manner, for example, before the Blower Housing of blower fan 10 has
In the case of cover, velocity coilses 21 can be arranged on this front shroud.
Therefore, in the first embodiment, magnet ring 14 and velocity coilses 21 are mounted at the front end of fan shaft 12, i.e. wind
On this side of installation fan blade 13 of machine rotating shaft 12.
Fig. 4 schematically shows the overall construction drawing of blower fan system of the present utility model.As shown in figure 4,10 points of blower fan
It is not connected with aerator supervision device 23 and controller 40.In one kind preferably embodiment, it is arranged on the survey on blower fan 10
Two wire taps 211,212 of fast coil 21 are connected respectively to aerator supervision device 23, the controller 40 then confession with blower fan 10
Power supply (not shown) is connected, and controls the rotating speed of blower fan 10 by controlling the working voltage of blower fan 10.Further, blower fan
Detection means 23 is also connected with controller 40.
" connection " as used herein both can be wired connection or wireless connection.
So, run in blower fan 10, during radiating to power apparatus, magnet ring 14 revolves together with fan shaft 12
Turn, so that the magnetic line of force that velocity coilses 21 send to magnet ring 14 is cut, thus two wire taps in velocity coilses 21
211st, form DC voltage between 212.It is connected to the aerator supervision device 23 on blower fan, being specifically connected on velocity coilses 21 to examine
Survey this DC voltage.Based on this DC voltage it can be determined that the operation conditions of blower fan, find the exception of fan operation in time.
For example, when the DC voltage display fan operation state on the velocity coilses 21 that aerator supervision device 23 detects is different
Often, during such as brownout, this voltage signal is conveyed to controller 40, blower fan whether stall or rotating speed is judged by controller 40
Reduce.According to judged result, controller 40 can control power apparatus to quit work further, and also can be reported to the police, and notifies
Overhaul of the equipments personnel to carry out Measuring error to blower fan 10.
As additional or replacement scheme, also include power apparatus detection means in shown blower fan system in figure 3
30, this power apparatus detection means 30 is connected with power apparatus (not shown) and controller 40 respectively.Process in fan operation
In, the workload of the connected power apparatus of power apparatus detection means 30 detection, the workload information detecting is passed
Give controller 40, then the rotating speed to be adjusted blower fan by controller 40.
For example, when the workload that power apparatus detection means 30 detects power apparatus is in maximum, will
The load signal that the workload of expression power apparatus is in maximum is sent to controller 40.According to this load signal, control
The voltage value of blower fan 10 is set to maximum by device 40, so that blower fan 10 is run with maximum (top) speed.
Similarly, when the workload that power apparatus detection means 30 detects power apparatus is not up to maximum, with
Sample would indicate that the load signal of the current work load value of power apparatus is sent to controller 40.According to this load signal, control
The voltage value of blower fan 10 is set to be worth accordingly by device 40.For example, if the workload of power apparatus is peak load
1/X, then controller 40 voltage value of blower fan 10 is also set to the 1/X of maximum.
And working as the power apparatus workload that power apparatus detection means 30 detects is zero, then show that power apparatus stop
Work.Now, controller 40 will control blower fan 10 out of service.
<Second embodiment>
Of the present utility model second embodiment is described below, and mainly describes between second embodiment and first embodiment
Different features, first embodiment and second embodiment identical part here no longer elaborate.
Fig. 5 shows the partial sectional view of the blower fan 100 in the blower fan system of second embodiment of the present utility model.At this
In Fig. 5, for clarity, fan rotor 111 and fan stator 131 and the associated components of blower fan 100 are merely illustrated, and blower fan
Housing 110 then only illustrate its with fan stator 131 to the part being connected.
As shown in figure 5, blower fan 100 includes fan rotor 111 and fan stator 131, fan stator 131 is provided with wind
Machine coil 132.Fan rotor 111 is rotatably arranged on fan stator 131.For example, in the rotating shaft 112 of fan rotor 111
Arrange and fan stator 131 between at least one, preferably a plurality of bearing 140, as shown in Figure 5.It is identical with first embodiment,
It is also equipped with magnet ring 150 and velocity coilses 160 in the blower fan 100 of the second embodiment shown in Fig. 5.
The concrete set-up mode of magnet ring 150 and velocity coilses 160 is described as follows：On the rear portion of Blower Housing 110, preferably
Ground be with the rotating shaft 112 of fan rotor 111 to faced by partly upper form fluted 113.Velocity coilses 160 are arranged on this groove
In 113, and magnet ring 150 is arranged on rotating shaft 112 one end relative with one end that fan blade 120 is located.Groove 113 straight
Footpath is arranged to match with the size of velocity coilses 160, so can quickly and easily positioning-speed-measuring coil 160 it is ensured that survey
Fast coil 160 is coaxial with rotating shaft 112, and the depth of groove 113 may, for example, be 1-2mm.It is preferred that in order that magnet ring 150 He
Interaction between velocity coilses 160 is more stable, rotating shaft 112 is lengthened backward, i.e. towards the direction of groove 113, exceeds
Fan stator 131, and stretch in groove 113, so that magnet ring 150 is as far as possible near velocity coilses 160.With first embodiment
Identical, magnet ring 150 and velocity coilses 160 are preferably coaxially disposed with rotating shaft 120.
When blower fan 100 runs, magnet ring 150 rotates together with rotating shaft 120, and velocity coilses 160 are then fixed on blower fan
On housing 110.Therefore, when blower fan 100 runs, velocity coilses 160 cut the magnetic line of force that magnet ring 150 sends, thus testing the speed
Generate voltage between two wire taps (not shown in FIG. 5) of coil 160, by the measurement to this voltage, can determine whether wind
The working condition of machine 100.
In addition, in a second embodiment, magnet ring 150 and velocity coilses 160 are removably to be separately mounted to rotating shaft 112 He
On Blower Housing 110, therefore can be decided whether to according to the needs of client install fan rotation speed detecting device (i.e. magnet ring and survey additional
Fast coil).
The term in the relevant direction of such as " forward and backward " etc used above be with blower fan actually used when taken
On the basis of direction.
Claims (7)
1. a kind of adjustable blower fan system, described blower fan system is used for power apparatus are radiated, and includes blower fan, described
Blower fan includes Blower Housing, the fan shaft being contained in described Blower Housing and the blower fan leaf being arranged on described fan shaft
Piece it is characterised in that
Described blower fan also includes：Magnet ring, described magnet ring is arranged on described fan shaft；And velocity coilses, the described line that tests the speed
Circle is arranged face to face with described magnet ring；And
Described blower fan system also includes：
Aerator supervision device, described aerator supervision device is connected with described blower fan；And
Controller, described controller is connected with described blower fan and described aerator supervision device respectively, receives and is derived from described blower fan
The signal of detection means, and adjust the operation of described blower fan.
2. blower fan system as claimed in claim 1 is it is characterised in that described blower fan system also includes power apparatus detection dress
Put, described power apparatus detection means is connected with described power apparatus, to detect the workload of described power apparatus, and with
Described controller is connected, and the signal with regard to detected workload is sent to described controller.
3. blower fan system as claimed in claim 1 is it is characterised in that described blower fan also includes coil brace, the described line that tests the speed
Circle is arranged on described coil brace, and described coil brace is fixed on described Blower Housing.
4. blower fan system as claimed in claim 1, it is characterised in that described velocity coilses include two wire taps, works as institute
When stating magnet ring and rotating with described fan shaft, between described two wire taps of described velocity coilses, form DC voltage,
Described aerator supervision device detects described DC voltage, and the signal with regard to described DC voltage is sent to described controller.
5. blower fan system as claimed in claim 1 is it is characterised in that described magnet ring and/or described velocity coilses and described wind
Machine rotating shaft is coaxially disposed.
6. blower fan system as claimed in claim 1 it is characterised in that described Blower Housing latter half of on be formed with faced by
The groove of described fan shaft, described velocity coilses are arranged in described groove, and described fan shaft be mounted with institute
State, on the contrary other end in one end of fan blade, described magnet ring is installed.
7. blower fan system as claimed in claim 6 is it is characterised in that described fan shaft extends backward, described recessed to stretch into
In groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621009889.0U CN205991029U (en) | 2016-08-31 | 2016-08-31 | Adjustable blower fan system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621009889.0U CN205991029U (en) | 2016-08-31 | 2016-08-31 | Adjustable blower fan system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205991029U true CN205991029U (en) | 2017-03-01 |
Family
ID=58105561
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621009889.0U Active CN205991029U (en) | 2016-08-31 | 2016-08-31 | Adjustable blower fan system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205991029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795504A (en) * | 2016-08-31 | 2018-03-13 | 山东豪迈机械科技股份有限公司 | Adjustable blower fan system and its adjusting method |
-
2016
- 2016-08-31 CN CN201621009889.0U patent/CN205991029U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795504A (en) * | 2016-08-31 | 2018-03-13 | 山东豪迈机械科技股份有限公司 | Adjustable blower fan system and its adjusting method |
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| GR01 | Patent grant |